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Engineered to deliver exceptional mid-to-long-range capability without compromising comfort or physical weapon controls. The PRO2A Left Hand 16" 6.5 Grendel Non-Reciprocating (NR) Side Charging AR-15 Upper introduces true layout equity to Southpaw shooters. By mirroring the physical ejection path to the left side and replacing the traditional rear dual-latch handle with a smooth side manual action, this assembly routes blinding gases and scorching brass away from your face. Built around a standard, non-NFA 16-inch 4150 CMV steel barrel, this configuration utilizes a smooth mid-length gas system to balance internal carrier velocities. It arrives complete with a matching, left-hand side-charging bolt carrier group (BCG) featuring an optimized Type II bolt face. It mounts natively to any standard Mil-Spec AR-15 lower receiver. Proudly 100% designed, machined, and precision-tested in the USA.
| Upper Receiver | Gibbz Arms G4 LEFT HANDED Non Reciprocating Side Charging Billet Aluminum Receiver with Gen 2 Handle, M4 Feed Ramps, Type III Hardcoat Anodized Black |
|---|---|
| Charging Style | Right-Side Non-Reciprocating Manual Cocking Assembly (Handle Stays Stationary While Firing) |
| Barrel Length & Steel | 16 Inch Profile, 4150 Chrome Moly Vanadium Steel, Medium Contour, Melonite Treated |
| Caliber | 6.5 Grendel (Type II) |
| Twist Rate | 1:8 Twist (Optimized to stabilize a massive profile array of heavy, high-BC match and hunting projectiles) |
| Gas Operating Block | Mid-Length System, Low-Profile Gas Block Machined from 4140 Steel, Stainless Steel Gas Tube |
| Muzzle Device | Standard 5/8-24 Thread Pitch, A2 Flash Hider with Crush Washer Pre-Installed |
| Handguard | 12 Inch Slim Profile Free-Float M-LOK Rail, Competition Top Picatinny Rail, Machined from 6061-T6 Aluminum |
| Manufacturing Origin | 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty |
The PRO2A Left Hand 16" 6.5 Grendel NR Side Charging Upper Receiver fixes the three biggest headaches left-dominant operators encounter when searching for mid-to-long-range capability on the AR platform: face-directed gas blowback, mirror-image handling gymnastics, and proprietary component mismatching. Traditional right-handed uppers vent heavy pressure spikes and unburnt powder residue directly across a Southpaw shooter's face—a painful issue that grows worse when firing long hunting streams or using a suppressor. Flipping the physical ejection geometry entirely solves this problem, providing absolute optic visibility and comfort.
Furthermore, running the hard-hitting 6.5 Grendel cartridge out of a full 16-inch barrel unlocks optimal muzzle velocity potential from a lightweight semi-automatic platform, matching the flat trajectories of heavy bolt-action rounds without entering restrictive NFA registration fields. Paired with a static, non-reciprocating side-charging interface, you can clear rare malfunctions or charge your chamber effortlessly without pulling your eye away from your optical cheek weld. Backed completely by Pro2A Tactical's signature Lifetime Factory Warranty and machined with 100% American components, this upper introduces true ergonomic equity and field dependability right out of the box.
| SKU | P2ALNR65GACT12MID16-TK |
|---|---|
| Barrel Length | 16 inch |
| Rifle Caliber | 6.5 Grendel |
| Manufacturer | Pro2A Tactical |
